1) Supplementary angles: a) The 2 angles are adjacent b) The sum of 2 angles=180 degree c) The sum of 2 angles=90 degree d) The 2 angles are opposite 2) Perpendicular bisector: a) Is passes though the midpoint of a segment b) Is perpendicular to a segment c) Perpendicular of a segment but not passes though the midpoint d) Is perpendicular to a segment at midpoint 3) Definition of adjacent angle: a) Angel xOy and angle xOz are adjacent b) Angle xOz and angle yOz are adjacent c) Angle xOp and angle yOz are adjacent d) Angle xOp and angle pOz are adjacent 4) Complementary angle: a) The sum of 2 angle=80 degree b) The sum of  2 angle=180 degree c) The sum of 2 angle=90 degree d) The sum of 2 angle=60 degree 5) Definition of parallelogram: a) Opposite sides parallel but not equal b) Adjacent sides are perpendicular c) Opposite angles are parallel but not equal d) Is a quadrilateral having both pairs of opposite sides are parallel

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